Arizona and Colorado officials are building war chests for possible future litigation over Colorado River water rights even as the states try to negotiate an agreement on river management to keep the ...

Colorado River governors will meet in Washington, D.C., on Friday to discuss water allocations, with federal intervention ...

As Lake Powell and Lake Mead near critical elevations, federal planners face narrowing operational options that could reshape ...

A draft environmental impact statement by the Bureau of Reclamation outlines post-2026 Colorado River dam operations, assessing coordination, reliability and infrastructure risk in an era of ...

There are five options of what management of the vital waterway could look like after the current rules expire in August.

No matter which alternative the federal government picks to manage the depleted Colorado River, there's a very good chance of ...

You might think a mighty river carving the Grand Canyon would easily make its journey to the ocean. The truth is far more ...

Michelle Garrison, a state water resources specialist, saw something missing on her January drive from Oregon to Denver. No ...

Federal officials are quietly warning that one of the country’s most important dams is approaching a tipping point not seen ...

Hydropower output at Hoover Dam is down by about half since 2000. Lakes Mead and Powell are approaching critical thresholds below which hydropower generation would be severely curtailed or cease.

A river authority in central Texas has been awarded a $29 million grant to strengthen flood monitoring systems while a ...

In late May, as the outside temperature approached 100 degrees, Arizona’s top water policy officials gathered in an air-conditioned Phoenix conference room. Their purpose that day was to decide ...